MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f58341abdb05ba4d6796449c4472460c298b1c88b93d7ff401583a695ad2dd35. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 18


Intelligence 18 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f58341abdb05ba4d6796449c4472460c298b1c88b93d7ff401583a695ad2dd35
SHA3-384 hash: af178f4d99c9faf35516f144537d870b9dc78698b7dae678642c0a48efacfaffe77e45940e66d53ebf25c4bf09e43726
SHA1 hash: 4105156933148c9e6f96202db7690ab7d3543e41
MD5 hash: 2513698cc8377e72e593189750ed7641
humanhash: quebec-golf-echo-jig
File name:z16order2354646337-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:691'200 bytes
First seen:2023-10-31 10:55:40 UTC
Last seen:2023-10-31 12:54:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:WXWCwkFljovIbYJJ/2X75orTfRJSJ/PDdP0lnun/l2vYj:WK7vIbYJO1MsJ/7dau/lyY
Threatray 504 similar samples on MalwareBazaar
TLSH T119E40144B7A75B12E6F993FA8532525007BB266A307AD3854ECE21CE47B3F844952F33
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 72ceaeaeb2968eaa (57 x AgentTesla, 9 x Formbook, 7 x RemcosRAT)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
345
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
z16order2354646337-pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-10-31 11:38:40 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/870babcc-43ea-4367-9823-f8e1b7ef6e76

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/457351/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Porcupine.Trojan.MSIL.Taskun.gen.182448.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6540dd48798f2840e4d2be5a/reports/915e724d-a540-4796-9805-8259348cddad/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f58341abdb05ba4d6796449c4472460c298b1c88b93d7ff401583a695ad2dd35
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2172f976-29db-4a3d-b85f-7470db0ff915
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334816
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1334816 Sample: z16order2354646337-pdf.exe Startdate: 31/10/2023 Architecture: WINDOWS Score: 100 40 smtp.inwentech.pl 2->40 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 11 other signatures 2->50 8 z16order2354646337-pdf.exe 7 2->8         started        12 UCiNIfj.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\UCiNIfj.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp222B.tmp, XML 8->38 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->52 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Adds a directory exclusion to Windows Defender 8->56 58 Injects a PE file into a foreign processes 8->58 14 z16order2354646337-pdf.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        60 Antivirus detection for dropped file 12->60 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 24 UCiNIfj.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 42 smtp.inwentech.pl 91.230.221.82, 49722, 49725, 587 IT-SYSTEMATIC-GROUPPL Poland 14->42 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->66 68 Tries to steal Mail credentials (via file / registry access) 24->68 70 Tries to harvest and steal browser information (history, passwords, etc) 24->70 34 conhost.exe 26->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f58341abdb05ba4d6796449c4472460c298b1c88b93d7ff401583a695ad2dd35
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f58341abdb05ba4d6796449c4472460c298b1c88b93d7ff401583a695ad2dd35/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-10-25 16:04:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6wbudk63aw5e2z4wisoei4sgbquywheixe6x75abla5gswws3u2q._file
Verdict:
malicious
Similar samples:
1a689ffb09b407e1305fbb9903c4edca6c2339e8102cab6301aed1a85959d029
AgentTesla
4ad5d7938a8d78d2529a72df4f8928c8be69d14e7366dc3677ae509925d08646
AgentTesla
6959e3ef6a767387f3ed86bf448fb8228a919dd36f9b046e8bc1219600540737
AgentTesla
a1c70ed91881778f7e0fc6ad5275848145424d452e1053a5a4c5c7ca58fc61fc
AgentTesla
da38cb3b37b8e5dd203e5708483864810b78a68ad855054bb57fa50538449535
AgentTesla
ec2271f3c4ca253b780325c5b0486672f7f4eb8dd9c355501103aa87f0c5f9f4
AgentTesla
f5f279dacaad0ec61ae22c2619bb2fabf308be3b841cd0311e7b97b16a1a1432
AgentTesla
+ 494 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231031-m1nxksff2s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
44a8ceca90bca826bf2e7faf5f4fea24a30f97fe75f2553b7ae26784de8ea856
MD5 hash:
be8d0f301d6a450aa2d219470ded392d
SHA1 hash:
f075b8e525d2cb768f0ed4f07a34e35570b31b9a
Link:
https://www.unpac.me/results/8631314f-56fb-44a5-9c76-9fc341b8df09/
SH256 hash:
efa9fb66c54d5be4f863949a62c68bad53f8fb47cd7631dbba90e2fab32d979d
MD5 hash:
ea31f61548f42ecb81719067e6069d5f
SHA1 hash:
c76f3cbd137f008ce620a24e63379d2d1a4ad3b1
Link:
https://www.unpac.me/results/8631314f-56fb-44a5-9c76-9fc341b8df09/
SH256 hash:
d07f3d9f6daf0b52601b845488dee790688038574c8766d6700b8f3c9c8b7062
MD5 hash:
e816776fce7c13bf1feb22244e3a8b7d
SHA1 hash:
863d1f4f2b43ac76f005784869d14a1528c77457
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/8631314f-56fb-44a5-9c76-9fc341b8df09/
SH256 hash:
c34dfbc328de247d25d670c3b7853f1dddd2ec2607d5dbb0480743b45a15ea64
MD5 hash:
85b87384830444e6ab86a4a692ce96cc
SHA1 hash:
0d7d4614cf31d27e68ebf48e76fb1d308cc08152
Link:
https://www.unpac.me/results/8631314f-56fb-44a5-9c76-9fc341b8df09/
SH256 hash:
f58341abdb05ba4d6796449c4472460c298b1c88b93d7ff401583a695ad2dd35
MD5 hash:
2513698cc8377e72e593189750ed7641
SHA1 hash:
4105156933148c9e6f96202db7690ab7d3543e41
Link:
https://www.unpac.me/results/8631314f-56fb-44a5-9c76-9fc341b8df09/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f58341abdb05ba4d6796449c4472460c298b1c88b93d7ff401583a695ad2dd35

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe f58341abdb05ba4d6796449c4472460c298b1c88b93d7ff401583a695ad2dd35

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/457351/

Comments